<template>
    <div>
        <!-- 面包屑 -->
        <el-breadcrumb separator-class="el-icon-arrow-right">
        <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
        <el-breadcrumb-item>用户管理</el-breadcrumb-item>
        <el-breadcrumb-item>用户列表</el-breadcrumb-item>
        </el-breadcrumb>
        <!-- 卡片试图区域 -->
        <el-card>
           <!-- 搜索与添加区域 -->
            <el-row :gutter="20">
                <el-col :span="8">
                      <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear='getUserList'>
                <el-button slot="append" icon="el-icon-search" @click="getUserList"></el-button>
            </el-input>
                </el-col>
                <el-col :span="3">
                    <el-button type="primary" @click="addDialogVisible=true">添加用户</el-button>
                </el-col>
            </el-row>
            <!-- 用户列表区域 -->
            <el-table :data="userlist" border stripe>
                <el-table-column type="index"></el-table-column>
                <el-table-column label="姓名" prop="username"></el-table-column>
                <el-table-column label="邮箱" prop="email"></el-table-column>
                <el-table-column label="电话" prop="mobile"></el-table-column>
                <el-table-column label="角色" prop="role_name"></el-table-column>
                <el-table-column label="状态">
                    <template slot-scope='scope'>
                        <!-- 通过scope.row.mg_state可以拿到所有数据 -->
                       <el-switch v-model="scope.row.mg_state" @change="userStateChanged(scope.row)">
                        </el-switch>
                    </template>
                </el-table-column>
                <el-table-column label="操作" width="180px">
                    <template slot-scope="scope">
                        <!-- 修改按钮 -->
                       <el-button type="primary" icon="el-icon-edit" size="mini" @click="showEditDialog(scope.row.id)"></el-button>
                       <!-- 删除按钮 -->
                       <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeUserById(scope.row.id)"></el-button>
                       <!-- 分类按钮 -->
                        <el-tooltip effect="dark" content="分配角色" placement="top" :enterable='false'>
                       <el-button type="warning" icon="el-icon-setting" size="mini" @click="setRole(scope.row)"></el-button>
                        </el-tooltip>
                    </template>
                </el-table-column>
            </el-table>
            <!-- 分页区域 -->
             <el-pagination
                @size-change="handleSizeChange"
                @current-change="handleCurrentChange"
                :current-page="queryInfo.pagenum"
                :page-sizes="[1, 2, 5, 10]"
                :page-size="queryInfo.pagesize"
                layout="total, sizes, prev, pager, next, jumper"
                :total="total">
                </el-pagination>
        </el-card>
        <!-- 添加用户对话框 -->
        <el-dialog
            title="添加用户"
            :visible.sync="addDialogVisible"
            width="50%" @close='addDialogClosed'>
            <!-- 内容主体区域 -->
                <el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="70px">
                    <el-form-item label="用户名" prop="username">
                        <el-input v-model="addForm.username"></el-input>
                    </el-form-item>
                     <el-form-item label="密码" prop="password">
                        <el-input v-model="addForm.password"></el-input>
                    </el-form-item>
                     <el-form-item label="邮箱" prop="email">
                        <el-input v-model="addForm.email"></el-input>
                    </el-form-item>
                     <el-form-item label="手机" prop="mobile">
                        <el-input v-model="addForm.mobile"></el-input>
                    </el-form-item>
                </el-form>
            <!-- 底部区域 -->
            <span slot="footer" class="dialog-footer">
                <el-button @click="addDialogVisible = false">取 消</el-button>
                <el-button type="primary">确 定</el-button>
            </span>
            </el-dialog>
            <!-- 修改用户对话框 -->
            <el-dialog
                title="修改用户"
                :visible.sync="editDialogVisible"
                width="50%" @close='editDialogClosed'>
    
                <el-form :model="editForm" :rules="editFormRules" ref="editFormRef" label-width="70px">
                <el-form-item label="用户名">
                    <el-input v-model="editForm.username" disabled></el-input>
                </el-form-item>
                 <el-form-item label="邮箱" prop="email">
                    <el-input v-model="editForm.email"></el-input>
                </el-form-item>
                 <el-form-item label="手机号" prop="mobile">
                    <el-input v-model="editForm.mobile" ></el-input>
                </el-form-item>
                </el-form>
                <span slot="footer" class="dialog-footer">
                    <el-button @click="editDialogVisible = false">取 消</el-button>
                    <el-button type="primary" @click="editUserInfo">确 定</el-button>
                </span>
            </el-dialog>
    <!-- 分配角色的对话框 -->
    <el-dialog title="分配角色" :visible.sync="setRoleDialogVisible" width="50%" @close="setRoleDialogClosed">
    <div>
        <p>当前的用户:{{userInfo.username}}</p>
        <p>当前的角色:{{userInfo.role_name}}</p>
        <p>分配新角色:
            <el-select v-model="selectedRoleId" placeholder="请选择">
            <el-option v-for="item in rolesList" :key="item.id" :label="item.roleName" :value="item.id">
            </el-option>
          </el-select>
        </p>
    </div>
      <span slot="footer" class="dialog-footer">
        <el-button @click="setRoleDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="saveRoleInfo">确 定</el-button>
      </span>
    </el-dialog>
    </div>
</template>
<script>
import { userInfo } from 'os'
import { async } from 'q'
export default {
    data() {
        // 验证邮箱的规则
        var checkEmail=(rule,value,cb)=>{
            const regEmail = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/
            if(regEmail.test(value)){
                return cb()
            }
            cb(new Error('请输入合法邮箱'))
        }
        // 验证手机号规则
        var checkMobile=(rule,value,cb)=>{
            const regMobile = /^(0|86|17951)?(13[0-9]|15[012356789]|17[678]|18[0-9]|14[57])[0-9]{8}$/
            if(regMobile.test(value)){
                return cb()
            }
            cb(new Error('请输入合法手机号'))
        }
        return {
            queryInfo:{
                query:'',
                //当前的页数
                pagenum:1,
                 //当前的显示页数
                pagesize:2
            },
            userlist:[],
            total:0,
            addDialogVisible:false,
            addForm:{
                username:'',
                password:'',
                email:'',
                mobile:''
            },
            addFormRules:{
                username:[
                {required:true,
                message:'请输入用户名',trigger:'blur'},{min:3,max:10,message:'用户名长度在3-10个字符之间',trigger:'blur'}
                ],
                password:[
                    {required:true,
                message:'请输入密码',trigger:'blur'},{min:6,max:15,message:'用户名长度在6-15个字符之间',trigger:'blur'}
                ],
                email:[
                    {required:true,
                message:'请输入邮箱',trigger:'blur'},{validator:checkEmail,trigger:'blur'}
                ],
                mobile:[
                    {required:true,
                message:'请输入手机号',trigger:'blur'},{validator:checkMobile,trigger:'blur'}
                ]
            },
            // 控制修改用户对话框的显示与隐藏
            editDialogVisible:false,
            // 查询到的用户信息核对
            editForm:{},
            //修改表单的验证规则对象
          editFormRules:{
              email:[
                  {required:true,
                message:'请输入邮箱',trigger:'blur'},{validator:checkEmail,trigger:'blur'}
              ],
              mobile:[
                    {required:true,
                message:'请输入手机号',trigger:'blur'},{validator:checkMobile,trigger:'blur'}
                ]
          },
        //   控制分配角色的对话框显示与隐藏
          setRoleDialogVisible:false,
        //   需要被分配校色的用户信息
        userInfo:{},
        // 所有校色的数据列表
        rolesList:[],
        // 已选中的角色ID值
        selectedRoleId:''
        }
    },
      created(){
          this.getUserList()
      },
      methods:{
         async getUserList(){
            const{data:res}= await this.$http.get('users',{params:this.queryInfo})
            if(res.meta.status!==200){
                return this.$message.error('用户列表获取失败')
            }
            this.userlist=res.data.users
            this.total=res.data.total
            // console.log(res);
          },
        //   监听pageseize改变的事件
          handleSizeChange(newSize){
            //   console.log(newSize);
              this.queryInfo.pagesize=newSize
              this.getUserList()
          },
        //   监听页码值改变的事件
          handleCurrentChange(newPage){
            this.queryInfo.pagenum=newPage
            this.getUserList()
          },
        //   监听用户状态按钮
         async userStateChanged(userinfo) {
      console.log(userinfo)
      const { data: res } = await this.$http.put(
        `users/${userinfo.id}/state/${userinfo.mg_state}`
      )
      if (res.meta.status !== 200) {
        userinfo.mg_state = !userinfo.mg_state
        return this.$message.error('更新用户状态失败！')
      }
      this.$message.success('更新用户状态成功！')
    },
    // 监听天年用户对话框
        addDialogClosed(){
            this.$refs.addFormRef.resetFields()
        },
        //点击按钮添加用户
        addUser(){
            this.$refs.addFormRef.validate(async valid=>{
                if(!valid)return
                const {data:res}=await this.$http.post('users',this.addForm)
                if(res.meta.status!==201){
                    this.$message.error('添加用户失败')
                }
                 this.$message.success('添加用户成功')
                 this.addDialogVisible=false
                 this.getUserList()
            })
        },
       async showEditDialog(id){
            // console.log(id);
           const{data:res}=await this.$http.get('users/'+id)
           if(res.meta.status!==200){
               return this.$message.error('查询用户信息失败!')
           }
           this.editForm=res.data
            this.editDialogVisible=true
        },
        // 监听修改用户对话框的关闭事件
        editDialogClosed(){
            this.$refs.editFormRef.resetFields()
        },
        // 修改用户信息并且提交
       editUserInfo() {       
      this.$refs.editFormRef.validate(async valid => {
        if (!valid) return
        // 发起修改用户信息的数据请求
        const { data: res } = await this.$http.put(
          'users/' + this.editForm.id,      
          {
            email: this.editForm.email,
            mobile: this.editForm.mobile,
          },
        )
        if (res.meta.status !== 200) {
          return this.$message.error('更新用户信息失败！')
        }

        // 关闭对话框
        this.editDialogVisible = false
        // 刷新数据列表
        this.getUserList()
        // 提示修改成功
        this.$message.success('更新用户信息成功！')
      })
    },
    // 根据id删除对应的用户信息
     async removeUserById(id) {
      // 弹框询问用户是否删除数据
      const confirmResult = await this.$confirm(
        '此操作将永久删除该用户, 是否继续?',
        '提示',
        {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }
      ).catch(err => err)

      // 如果用户确认删除，则返回值为字符串 confirm
      // 如果用户取消了删除，则返回值为字符串 cancel
      // console.log(confirmResult)
      if (confirmResult !== 'confirm') {
        return this.$message.info('已取消删除')
      }

      const { data: res } = await this.$http.delete('users/' + id)

      if (res.meta.status !== 200) {
        return this.$message.error('删除用户失败！')
      }

      this.$message.success('删除用户成功！')
      this.getUserList()
    },
    // 展示分配校色的对话框
   async setRole(userInfo){
       this.userInfo=userInfo
    //    在展示对话框之前获取所有校色列表
    const {data:res}=await this.$http.get('roles')
    if(res.meta.status!==200){
        return this.$message.error('获取用户列表失败')
    }
    this.rolesList=res.data
        this.setRoleDialogVisible=true
    },
    // 点击按钮分配角色
    async saveRoleInfo(){
        if(!this.selectedRoleId){
            return this.$message.error('请选择要分配的角色!')
        }
        const {data:res}=await this.$http.put(`users/${this.userInfo.id}/role`,{rid:this.selectedRoleId})
        if(res.meta.status!==200){
            return this.$message.error('更新校色失败')
        }
        this.$message.success('更新校色成功!')
        this.getUserList()
        this.setRoleDialogVisible=false
    },
    // 监听分配校色对话框的关闭事件
    setRoleDialogClosed(){
        this.selectedRoleId='',
        this.userInfo={}
    }
      }
}
</script>
<style lang="stylus" scoped>

</style>